Indoor unit base and air conditioner

Abstract

The present invention provides an indoor unit base and an air conditioner, wherein the indoor unit base comprises a base A and a foam device B arranged on the base A, wherein the base A and the foam device B are detachably fixedly connected via a plug-in device, wherein the plug-in device comprises a positioning column and a lower positioning member, wherein the positioning column and the lower positioning member are plug-connected with the base A and / or the foam device B, respectively. The indoor unit base and the air conditioner of the present invention are plug-connected between the base A and the foam device B via two positioning columns and the lower positioning member arranged at an angle, and are convenient to assemble, effectively reducing the damage rate of the foam device B during assembly or transportation, having a reasonable structure, reliable connection after assembly, improving the quality of heat preservation and noise reduction of the base of the air conditioner, and having extremely high use value and promotion value.

Description

Technical Field

[0001] The present invention relates to the field of air conditioners, and in particular to an indoor unit base and an air conditioner. Background Art

[0002] Air conditioners are used to regulate indoor air to keep it in the most suitable state for people. For example, in the summer when the indoor temperature is high, low-temperature air is blown into the room to cool it, while in the winter warm air is blown into the room to heat it.

[0003] Due to the consideration of noise and installation environment, split air conditioners are widely used at present. The indoor unit of the split air conditioner usually includes a middle frame, a base arranged on the back of the middle frame, and a panel arranged on the front of the middle frame. Among them, the indoor unit of the wall-mounted air conditioner generally adopts a foam liner for heat preservation, that is, the foam is attached to the base with a sealant to form a heat preservation device.

[0004] However, since glue is required before the foam and the base are pasted together, the process is cumbersome. After pasting, if it is found that the pasting is not correct, it is necessary to tear it off and re-paste it to increase the complexity of installation. Furthermore, the bonding strength between the foam and the base is very weak. When the surface of the base is not clean or the air conditioner has been used for a long time, the foam will easily fall off by itself and lose its thermal insulation effect.

[0005] The applicant has previously applied for a patent for a base device, which fixes the foam by setting elastic clips at the upper and lower ends of the base. Although this solution solves the problem of foam board adhesion, the elastic clips make the foam board always under the action of external forces, and the long-term use of the elastic clips will cause elastic fatigue and other problems. In addition, the hardness of the foam board is relatively low, which will cause the foam board to crack or even break during installation or transportation after assembly, resulting in a sudden increase in the damage rate of the foam board. The damage to the foam board caused during transportation after assembly will also affect the use value and brand value of the air conditioner. Summary of the invention

[0006] In order to solve the above problems, the present invention provides an indoor unit base and an air conditioner, wherein the base A and the foam device B are plugged together by a plug-in device, and the plug-in device includes at least two plug-in parts, such as a positioning column 4 and a lower positioning part 5 arranged at an angle, so as to prevent the base A and the foam device B from deflecting, moving or even falling off after being fixed by a single positioning structure. The foam device B is fixed by plugging and connecting through the plug-in device, thereby ensuring the convenience and reliability of assembly of the base A and the foam device B and the stability of the connection after assembly.

[0007] To achieve the above object, the technical solution of the present invention is achieved as follows:

[0008] An indoor unit base comprises a base A and a foam device B arranged on the base A, characterized in that the base A and the foam device B are detachably fixedly connected via a plug-in device, the plug-in device comprises a positioning column and a lower positioning piece, the positioning column and the lower positioning piece are plug-connected to the base A and / or the foam device B respectively.

[0009] The indoor unit base device disclosed in the setting realizes the plug-in connection between the base A and the foam device B through the provided plug-in device, thereby achieving the purpose of optimizing the structure and reducing the installation process. The foam device B is fastened and fixed through the two plug-in units of the plug-in device, so that when the surface of the base A is not clean or the air conditioner is used for a long time, the foam will not fall off easily, ensuring the heat preservation effect.

[0010] Furthermore, a foam mounting portion is provided on the base A, and the positioning column is provided on the foam mounting portion; the foam device B includes a foam board body, and a positioning hole is provided on the foam board body, and the positioning column can be inserted into the positioning hole.

[0011] The arrangement discloses a connection structure of a plug-in unit in a plug-in device, and the arrangement of a positioning column and a positioning hole structure facilitates assembly and ensures reliable connection.

[0012] Furthermore, the lower positioning piece is arranged at the lower end of the foam mounting portion, and a positioning groove device is arranged at the lower end of the foam board body, and the lower positioning piece can be inserted into the positioning groove device for plug-in positioning.

[0013] Furthermore, the positioning groove device is configured as a through groove with one end open.

[0014] This arrangement discloses a connection structure of a plug-in unit in a plug-in device, wherein a positioning groove device is arranged at the lower end of the foam board body and the positioning groove device is arranged as a through groove with one end open, so as to facilitate adjustment and positioning when the positioning groove device is assembled with a lower positioning piece.

[0015] Furthermore, the lower positioning member includes two or more plug plates, and the multiple plug plates are arranged in a rectangular and / or trapezoidal and / or triangular shape.

[0016] This arrangement further ensures the reliability of the assembly and fixation of the lower positioning member and the positioning groove device, and at the same time prevents the assembly from being fooled.

[0017] Furthermore, the lower positioning member includes a first plug plate, a second plug plate, and a third plug plate. Correspondingly, the positioning slot device includes a first slot, a second slot, and a third slot. The first plug plate, the second plug plate, and the third plug plate can be respectively inserted into the first slot, the second slot, and the third slot in sequence.

[0018] This arrangement discloses a specific structure for assembling a lower positioning member and a positioning slot device, so that the first slot is arranged in an elongated rectangular shape. On the one hand, this improves the size of the insertion plate on the lower positioning member for inserting into the positioning slot device, thereby ensuring the reliability of adjusting and positioning when the positioning slot device and the lower positioning member are assembled. At the same time, the slot is designed to be an elongated structure, which also facilitates the contraction, deformation and clamping of the positioning slot device on the foam device B when the lower positioning member is inserted with interference, thereby avoiding loose connection between the overly wide slot and the insertion plate, and further improving the stability of the connection between the base A and the foam device B after assembly.

[0019] Furthermore, the projection of the central axis of the positioning hole on the end plates on both sides of the foam board body is L, and the projection of the axis of the length direction of the positioning groove device on the end plates on both sides of the foam board body is M. L and M are set at an angle α, and α is an acute angle.

[0020] This arrangement ensures that after the foam device B is assembled with the positioning hole, the two plug-in units of the plug-in device can form two opposite forces in the same direction on the foam device B, thereby achieving self-locking of the foam device B and preventing the foam device B from shaking after assembly, further improving the stability of the connection between the base A and the foam device B after assembly.

[0021] Furthermore, a first end support plate is provided at one end of the foam board body, the first end support plate is integrally formed with the foam board body, a through hole is provided on the first end support plate, a drainage pipe joint is provided on the base A, and the drainage pipe joint is inserted into the through hole.

[0022] This arrangement enables the foam device B to be further limited by the drain pipe joint and the drain pipe installed on the drain pipe joint.

[0023] Furthermore, the plug-in device also includes an upper positioning member, an upper limit plate is arranged at the upper end of the foam mounting portion, an upper support plate is arranged at the upper end of the foam plate body, the upper support plate is in contact and connected with the upper limit plate, and the upper support plate and the upper limit plate are plugged and limited by the upper positioning member and the connecting groove device.

[0024] This arrangement further limits the upper end of the assembled foam device B to prevent the foam device B from loosening after assembly.

[0025] Furthermore, a vibration reduction layer is provided on the foam device B.

[0026] This arrangement ensures that after the refrigerant pipeline on the back of the base air duct is attached to the vibration-damping layer or the foam board body, when the refrigerant pipeline moves slightly during the operation of the air conditioner, the damping effect of the vibration-damping layer can buffer the movement of the refrigerant pipeline and absorb the kinetic energy of the movement of the refrigerant pipeline, thereby avoiding the vibration between the refrigerant pipeline and the foam in the prior art and effectively reducing the noise generated during the operation of the air conditioner; in addition, the arrangement of the vibration-damping layer can also provide certain protection for the foam device B and, to a certain extent, prevent the foam from being damaged due to external forces.

[0027] Furthermore, the present invention also discloses an air conditioner, comprising the indoor unit base as described above.

[0028] The advantages of the air conditioner and the indoor unit base described above over the prior art are the same and will not be described in detail here.

[0029] Compared with the prior art, the indoor unit base and the air conditioner of the present invention have the following advantages:

[0030] 1) The indoor unit base and the air conditioner of the present invention are connected by plugging between the base A and the foam device B through two positioning columns and a lower positioning member arranged at an angle, which is convenient to assemble and has a stable connection, and effectively reduces the damage rate of the foam device B during assembly or transportation;

[0031] 2) The panel device and the air conditioner described in the present invention have a reasonable structure and reliable connection after assembly, which improves the quality of heat preservation and noise reduction of the base of the air conditioner and has extremely high use value and promotion value. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the structure of the assembly of the base and the foam board of the present invention;

[0033] Figure 2 It is a structural schematic diagram of the base of the present invention;

[0034] Figure 3 for Figure 2 A partial enlarged view of the middle C part;

[0035] Figure 4 A schematic diagram of the structure of the base of the present invention from a second viewing angle;

[0036] Figure 5 for Figure 4 A partial enlarged view of the middle D part;

[0037] Figure 6 This is a schematic structural diagram of the base of the present invention from a third viewing angle;

[0038] Figure 7It is a structural schematic diagram of the foam device of the present invention;

[0039] Figure 8 This is a schematic diagram of a second structure of the foam device of the present invention;

[0040] Fig. 9 This is a schematic diagram of a third structure of the foam device of the present invention;

[0041] Fig.10 This is a schematic diagram of the structure of the foam device of the present invention with a vibration reduction layer installed on it;

[0042] Fig.11 for Fig.10 A partial enlarged view of the middle E part;

[0043] Fig.12 for Fig.10 Schematic diagram of the cross-sectional structure of the middle FF part;

[0044] Fig.13 for Fig.12 A partial enlarged view of the middle G section;

[0045] Description of reference numerals:

[0046] A-base, B-foam device, 1-foam mounting part, 2-upper positioning plate, 3-plug-in device, 4-positioning column, 401-column, 402-support plate rib, 403-support slope, 5-lower positioning piece, 501-first plug plate, 502-second plug plate, 503-third plug plate, 6-upper positioning piece, 601-first positioning block, 602-second positioning block, 603-third positioning block, 7-drain pipe joint, 8-foam board body, 9-upper support plate, 901-connecting groove device, 10-positioning hole, 11-positioning groove device, 1101-first slot, 1102-second slot, 1103-third slot, 12-first end support plate, 1201-through hole, 13-second end support plate, 14-groove, 15-vibration damping layer. DETAILED DESCRIPTION

[0047] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0048] Example 1

[0049] like Figures 1 to 13 As shown, the present application provides an indoor unit base device, including a base A and a foam device B arranged on the base A, wherein the base A and the foam device B are detachably fixedly connected via a plug-in device 3, wherein the plug-in device 3 includes a positioning column 4 and a lower positioning member 5, and the positioning column 4 and the lower positioning member 5 are plug-connected to the base A and / or the foam device B, respectively.

[0050] This configuration discloses a structure in which a base A and a foam device B are positioned by a plug-in device 3, wherein the plug-in device comprises at least two plug-in parts, such as a positioning column 4 and a lower positioning part 5, to prevent the base A and the foam device B from being deflected, moved or even falling off after being fixed by a single positioning structure, and the foam device B is fixed by plugging and connecting through the plug-in device. As an example of the present invention, the positioning column 4 and the lower positioning part 5 can be both arranged on the base A, can be both arranged on the foam device B, or can be respectively arranged on the base A and the foam device B, and one or more positioning columns 4 and the lower positioning part 5 can be arranged, and the positioning column 4 and the lower positioning part 5 can be respectively arranged on the base A and / or the foam device B.

[0051] The indoor unit base device disclosed in the setting realizes the plug-in connection between the base A and the foam device B through the provided plug-in device 3, thereby achieving the purpose of optimizing the structure and reducing the installation process. The foam device B is fastened and fixed through the two plug-in units of the plug-in device 3, so that the foam will not fall off easily when the surface of the base A is not clean or the air conditioner is used for a long time, thereby ensuring the heat preservation effect.

[0052] As an example of the present invention, a foam mounting portion 1 is provided on the base A, and the positioning column 4 is provided on the foam mounting portion 1; the foam device B includes a foam board body 8, and a positioning hole 10 is provided on the foam board body 8, and the positioning column 4 can be inserted into the positioning hole 10. Preferably, the shape of the foam board body 8 is consistent with the shape of the foam mounting portion 1, and the positioning column 4 is provided at the arc portion of the foam mounting portion 1, and the positioning column 4 is provided at an angle with the tangent of the foam mounting portion 1, so that after the foam device B is fixed to the base A through the plug-in device 3, the two are tightly attached to avoid relative movement, and the positioning column 4 is provided on the foam mounting portion 1 near the upper end.

[0053] This arrangement discloses a connection structure of a plug-in unit in the plug-in device 3, and the arrangement of the positioning column and the positioning hole structure facilitates assembly and ensures reliable connection.

[0054] Furthermore, the positioning column 4 includes a column body 401 , a supporting plate rib 402 is arranged on the outer contour of the column body 401 , and a supporting inclined surface 403 is formed on the supporting plate rib 402 .

[0055] On the one hand, this arrangement enhances the overall strength of the positioning column 4 and increases the permissible deformation stress of the positioning column 4; on the other hand, after the positioning column 4 is plugged and connected to the positioning hole 10, a support inclined surface 403 is formed on the support plate rib 402 to further support and limit the foam board body 8, thereby ensuring the stability of the connection between the base A and the foam device B after assembly. Specifically, Figure 2 , Figure 3 As shown, the support plate ribs 402 are evenly arranged on the outer contour of the column 401, preferably 2 to 6. Figure 3 Four support plate ribs 402 are provided, and a support slope 403 is provided on each support plate rib 402. The support slope 403 is inclined toward the outside of the column 401, and the support slope 403 is arranged to be inclined downward from one end close to the top of the column 401 to the end where the column 401 is connected to the foam mounting part 1.

[0056] As an example of the present invention, the lower positioning member 5 is arranged at the lower end of the foam mounting portion 1, and a positioning groove device 11 is arranged at the lower end of the foam board body 8, and the lower positioning member 5 can be inserted into the positioning groove device 11 for plug-in positioning.

[0057] Preferably, the positioning groove device 11 is configured as a through groove with one end open.

[0058] Specifically, a lower limit plate is provided at the lower end of the foam mounting portion 1, and the lower limit plate is provided on the base A. The lower positioning member 5 is provided on the lower limit plate and is provided in an inclined upward shape. The positioning column 4 is provided on the foam mounting portion 1 near the upper end. During installation, the positioning groove device 11 at the lower end of the foam device B is first inserted into the lower positioning member 5 on the base A for fixed positioning. During the process of inserting the positioning groove device 11 into the lower positioning member 5, the positioning hole 10 provided on the foam device B is aligned with the positioning column 4 provided on the foam mounting portion 1 near the upper end, and then the positioning column 4 is inserted into the positioning hole 10. When the positioning groove device 11 is fully inserted into the lower positioning member 5 and plugged into place, the positioning column 4 can also be fully inserted into the positioning hole 10, thereby completing the assembly of the foam board body 8.

[0059] This arrangement discloses a connection structure of a plug-in unit in the plug-in device 3, wherein the positioning groove device 11 is arranged at the lower end of the foam board body 8 and the positioning groove device 11 is arranged as a through groove with an open end, so as to facilitate adjustment and positioning when the positioning groove device 11 is assembled with the lower positioning member 5.

[0060] Preferably, as an example of the present invention, the lower positioning member 5 includes two or more plug plates, and the plurality of plug plates are arranged in a rectangular and / or trapezoidal and / or triangular shape.

[0061] Correspondingly, the positioning slot device 11 includes two or more slots for accommodating fixed plug boards.

[0062] This arrangement further ensures the reliability of the assembly and fixation of the lower positioning member 5 and the positioning groove device 11, and at the same time prevents the assembly from being fooled. Figure 5 , Figure 7 to Figure 11As shown, the lower positioning member 5 includes a first plug plate 501, a second plug plate 502, and a third plug plate 503. The first plug plate 501 and the third plug plate 503 are arranged on both sides of the second plug plate 502. The second plug plate 502 is arranged in a trapezoidal shape. The first plug plate 501 and the third plug plate 503 are arranged in a rectangular shape. Correspondingly, the positioning groove device 11 includes a first slot 1101, a second slot 1102, and a third slot 1103. The first plug plate 501, the second plug plate 502, and the third plug plate 503 of the lower positioning member 5 can be inserted into the first slot 1101, the second slot 1102, and the third slot 1103 of the positioning groove device 11 in sequence.

[0063] Preferably, the lower positioning member 5 and the positioning groove device 11 are provided in plurality, for example, four are provided accordingly.

[0064] Furthermore, the width of the first slot 1101 is d, the height of the first slot 1101 is h, and the ratio of d to h is between 0.01 and 0.5.

[0065] As an example of the present invention, the second slot 1102 is set as a trapezoidal structure that is narrow at the top and wide at the bottom. The minimum width of the second slot 1102 is not less than d. The height of the second slot 1102 is the same as the height h of the first slot 1101. The height h of the first slot 1101 is the length that the first plug-in board 501 can extend into. The third slot 1103 has the same structural design as the first slot 1101.

[0066] This arrangement makes the first slot 1101 an elongated rectangular arrangement, which, on the one hand, increases the size of the insert plate on the lower positioning member 5 for inserting into the positioning slot device 11, thereby ensuring the reliability of adjusting and positioning the positioning slot device 11 when assembling with the lower positioning member 5; at the same time, the slot is designed to be an elongated structure, which also facilitates the positioning slot device 11 on the foam device B to shrink, deform and clamp when the lower positioning member 5 is inserted with interference, thereby avoiding loose connection between the overly wide slot and the insert plate, and further improving the stability of the connection between the base A and the foam device B after assembly.

[0067] As an example of the present invention, the projection of the central axis of the positioning hole 10 on the end plates on both sides of the foam board body 8 is L, and the projection of the axis of the length direction of the positioning groove device 11 on the end plates on both sides of the foam board body 8 is M. L and M are set at an angle α, and α is an acute angle.

[0068] This arrangement ensures that after the foam device B is assembled with the positioning hole 10, the two plug-in units of the plug-in device 3 can form two opposite forces on the foam device B in the same direction, thereby achieving self-locking of the foam device B and preventing the foam device B from shaking after assembly, further improving the stability of the connection between the base A and the foam device B after assembly.

[0069] As an example of the present invention, a first end support plate 12 is arranged at one end of the foam board body 8, the first end support plate 12 is integrally formed with the foam board body 8, a through hole 1201 is arranged on the first end support plate 12, a drain pipe joint 7 is arranged on the base A, and the drain pipe joint 7 is inserted into the through hole 1201.

[0070] This arrangement enables the foam device B to be further limited by the drain pipe joint 7 and the drain pipe installed on the drain pipe joint 7. As an example of the present invention, at least one drain pipe joint 7 is provided in the drain groove on the base A, and the first end support plate 12 integrally formed with the foam board body 8 can be inserted and limited by the drain pipe joint 7, and the drain pipe connected to the drain pipe joint 7 can be crimped on the first end support plate 12 to further limit and fix the foam device B. Specifically, a second end support plate 13 is provided at the other end of the foam board body 8, and the second end support plate 13 can be integrally formed with the foam board body 8 or separately provided. Preferably, the second end support plate 13 is separately provided from the foam board body 8 to facilitate the assembly of the foam device B.

[0071] As an example of the present invention, the plug-in device 3 also includes an upper positioning member 6, an upper limit plate 2 is arranged at the upper end of the foam mounting portion 1, an upper support plate 9 is arranged at the upper end of the foam plate main body 8, the upper support plate 9 is in contact and connected with the upper limit plate 2, and the upper support plate 9 and the upper limit plate 2 are plugged and limited by the upper positioning member 6 and the connecting groove device 901.

[0072] This arrangement further limits the upper end of the assembled foam device B to prevent the foam device B from loosening after assembly. The upper positioning member 6 and the connecting groove device 901 are correspondingly arranged, and the upper positioning member 6 and the connecting groove device 901 can be respectively arranged on the upper limit plate 2 and / or the upper support plate 9. Specifically, as Figure 6 , Fig.10 , Fig.12 As shown, the upper positioning member 6 is arranged on the upper limit plate 2, and three upper positioning members 6 are arranged, namely, a first positioning block 601, a second positioning block 602, and a third positioning block 603. Correspondingly, the connecting groove device 901 is arranged on the upper support plate 9, and the connecting groove device 901 includes three limiting grooves, and the first one is arranged at a position near both ends and near the middle of the upper support plate 9. The structures of the three limiting grooves can be the same or different.

[0073] As an example of the present invention, a vibration reduction layer 15 is provided on the foam device B. The vibration reduction layer 15 is bonded to the foam plate body 8, and the vibration reduction layer 15 can be provided on the side wall of the foam plate body 8 away from the foam mounting portion 1, and / or the vibration reduction layer 15 can also be bonded to the ends of the upper and lower ends of the foam plate body 8. The foam device B is assembled on the base A to form a thermal insulation layer; however, in the actual application of the air conditioner, since the refrigerant pipeline on the back of the base duct is in contact with the foam, when the air conditioner is running, the refrigerant pipeline will move slightly, thereby generating vibration between the pipeline and the foam, and even emitting noise. By arranging a vibration-damping layer 15 on the foam board body 8, when the refrigerant pipeline on the back of the base duct is in contact with the vibration-damping layer 15 or the foam board body 8, when the air conditioner is running, when the refrigerant pipeline moves slightly, the damping effect of the vibration-damping layer 15 can buffer the movement of the refrigerant pipeline and absorb the kinetic energy of the movement of the refrigerant pipeline, thereby avoiding the vibration between the refrigerant pipeline and the foam in the prior art, and effectively reducing the noise generated when the air conditioner is running; in addition, the provision of the vibration-damping layer 15 can also provide certain protection for the foam device B, and to a certain extent prevent the foam from being damaged by external forces.

[0074] Preferably, the vibration reduction layer 15 is flannel or sponge. Both materials have excellent elastic deformation properties, can play a good damping and buffering role, can effectively buffer the movement of the refrigerant pipeline when it is attached to the refrigerant pipeline, and absorb the kinetic energy of the movement of the refrigerant pipeline, thereby avoiding the vibration between the refrigerant pipeline and the foam in the prior art, and can effectively reduce the noise generated when the air conditioner is running; in addition, both materials also have good water absorption performance, can absorb the condensation formed on the outer wall of the refrigerant pipeline, and avoid the dripping of condensation.

[0075] The vibration-damping layer 15 is directly bonded to the foam board body 8, or a groove 14 is provided on the foam board body 8, and the vibration-damping layer 15 can be directly bonded in the groove 14. The provided groove 14 facilitates the rapid bonding and positioning of the vibration-damping layer 15, and also enables the vibration-damping layer 15 to be bonded to the foam board body 8, while the side of the foam board body 8 is still a complete and smooth surface, so that the vibration-damping layer 15 does not protrude on the outer surface of the foam board body 8, thereby minimizing the damage of the vibration-damping layer 15 due to external scratches.

[0076] In addition, the indoor unit base device also includes an air duct structure, an assembly structure of fan blades, etc. Since they are all conventional structures of the indoor unit base device, various structures thereof are specifically introduced in the prior art and will not be described in detail here.

[0077] Embodiment 2: The present invention further discloses an air conditioner, which includes the indoor unit base device as described in Embodiment 1.

[0078] Although the present invention is disclosed as above, the present invention is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the scope defined by the claims.

Claims

1. An indoor unit base, comprising a base A and a foam device B arranged on the base A, characterized in that: The base A and the foam device B are detachably connected via a plug-in device (3), wherein the plug-in device (3) comprises a positioning column (4) and a lower positioning member (5), wherein the positioning column (4) and the lower positioning member (5) are plug-connected to the base A and / or the foam device B respectively; a foam mounting portion (1) is provided on the base A, wherein the positioning column (4) is provided on the foam mounting portion (1); the foam device B comprises a foam board body (8), wherein a positioning hole (10) is provided on the foam board body (8), wherein the positioning column (4) can be inserted into the positioning hole (10); the lower positioning member (5) is provided at the lower end of the foam mounting portion (1), wherein a positioning groove device (11) is provided at the lower end of the foam board body (8), wherein the lower positioning member (5) can be inserted into the positioning groove device (11) for plug-in positioning; the positioning groove device (11) is provided with one end open. The lower positioning member (5) comprises two or more plug-ins, and the plurality of plug-ins are arranged in a rectangular and / or trapezoidal and / or triangular shape; the lower positioning member (5) comprises a first plug-in plate (501), a second plug-in plate (502), and a third plug-in plate (503); correspondingly, the positioning slot device (11) comprises a first slot (1101), a second slot (1102), and a third slot (1103); the first plug-in plate (501), the second plug-in plate (502), and the third plug-in plate (503) can be respectively inserted into the first slot (1101), the second slot (1102), and the third slot (1103) in sequence through interference; the projection of the central axis of the positioning hole (10) on the end plates on both sides of the foam board body (8) is L, and the projection of the axis of the longitudinal direction of the positioning slot device (11) on the end plates on both sides of the foam board body (8) is M, and L and M are arranged at an angle α, and α is an acute angle.

2. The indoor unit base according to claim 1, characterized in that: A first end support plate (12) is provided at one end of the foam plate body (8), the first end support plate (12) and the foam plate body (8) are integrally formed, a through hole (1201) is provided on the first end support plate (12), a drainage pipe joint (7) is provided on the base A, and the drainage pipe joint (7) is inserted into the through hole (1201).

3. The indoor unit base according to claim 1, characterized in that: The plug-in device (3) also includes an upper positioning member (6), an upper limit plate (2) is arranged at the upper end of the foam mounting portion (1), an upper support plate (9) is arranged at the upper end of the foam plate body (8), the upper support plate (9) is in contact and connected with the upper limit plate (2), and the upper support plate (9) and the upper limit plate (2) are plugged and limited by the upper positioning member (6) and the connecting groove device (901).

4. The indoor unit base according to claim 1, characterized in that: A vibration-damping layer (15) is provided on the foam device B.

5. An air conditioner, characterized in that: It comprises the indoor unit base as described in any one of claims 1 to 4.

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